From: Kishon Vijay Abraham I <kishon@xxxxxx>
Enable USB Super-Speed HOST port.
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am642-sk.dts | 39 ++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index 3a5bee4b0b0c..f193ec630d18 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -5,6 +5,8 @@
/dts-v1/;
+#include <dt-bindings/mux/ti-serdes.h>
+#include <dt-bindings/phy/phy.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/net/ti-dp83867.h>
#include "k3-am642.dtsi"
@@ -85,6 +87,12 @@
>;
};
+ main_usb0_pins_default: main-usb0-pins-default {
+ pinctrl-single,pins = <
+ AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
+ >;
+ };
+
main_i2c1_pins_default: main-i2c1-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
@@ -230,6 +238,37 @@
disable-wp;
};
+&serdes_ln_ctrl {
+ idle-states = <AM64_SERDES0_LANE0_USB>;
+};
+
+&serdes_wiz0 {
+ status = "okay";
+};
+
+&serdes0 {
+ serdes0_usb_link: phy@0 {
+ reg = <0>;
+ cdns,num-lanes = <1>;
+ #phy-cells = <0>;
+ cdns,phy-type = <PHY_TYPE_USB3>;
+ resets = <&serdes_wiz0 1>;
+ };
+};
+
+&usbss0 {
+ ti,vbus-divider;
+};
+
+&usb0 {
+ dr_mode = "host";
+ maximum-speed = "super-speed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_usb0_pins_default>;
+ phys = <&serdes0_usb_link>;
+ phy-names = "cdns3,usb3-phy";
+};
+
&cpsw3g {
pinctrl-names = "default";
pinctrl-0 = <&mdio1_pins_default
--
2.17.1
